Multifunctional dumbbell assembly

Abstract

A multifunctional dumbbell assembly is provided, which comprises a dumbbell body and a handle strap which is detachably connected to the dumbbell body. The dumbbell body includes a handle, a first head and a second head. The heads are fixed to the opposite ends of the handle respectively. The handle strap includes a strap and two connectors which are connected to the ends of the strap respectively. Each of the first head and the second head includes: an end cover covering an end of the dumbbell body; a first coupling member having a central through hole and a cavity, an arc groove being formed in the cavity; and a second coupling member having clutch block ( 151 ) at one end, the shape of which is complementary to that of the cavity in the first coupling member, further having connector attachment portions, the second coupling member being also provided with a through hole. The dumbbell assembly is convenient and safe for use. In addition, it provides an additional exercise function.

1. A multifunctional dumbbell assembly comprising: a dumbbell body and a handle strap which is detachably connected to the dumbbell body, wherein the dumbbell body includes a handle, a first head and a second head, the heads are fixed to the opposite ends of the handle respectively; the handle strap includes a strap and two connectors which are connected to the opposite ends of the strap respectively. characterized in that
 each of the first head and the second head includes:
 an end cover covering an end of the dumbbell body; 
 a first coupling member having a through hole and a cavity, an arc groove being farmed in the cavity; and 
 a second coupling member having a clutch block at one end, the shape of which is complementary to that of the cavity in the first coupling member, further having connector attachment portions, the second coupling member being also provided with a through hole, 
 wherein the connector includes a partial-circle outer ring and a U-shaped opening, the first connector attachment portion is different in diameter from the second connector attachment portion, the U-shaped opening is engaged with the first connector attachment portion, and the partial-circle outer ring is engaged with the second connector attachment portion. 
 
 
   
   
     2. The multifunctional dumbbell assembly of  claim 1 , further comprising an additional exercise member including an elastic tubing, a strap and connectors, wherein the connectors are attached to the opposite ends of the strap. 
   
   
     3. The multifunctional dumbbell assembly of  claim 1 , wherein the U-shaped opening is provided with at least one elastic leg, on which is provided a protuberance. 
   
   
     4. The multifunctional dumbbell assembly of  claim 1 , further comprising a fastener, and the fastener is inserted through the through holes in the first coupling member and second coupling member and finally engaged into the handle. 
   
   
     5. The multifunctional dumbbell assembly of  claim 1 , wherein the handle is composed of a core bar and a protective sleeve. 
   
   
     6. The multifunctional dumbbell assembly of  claim 1 , wherein the end cover is fixed to the first coupling member with a threaded connection. 
   
   
     7. A multifunctional dumbbell assembly comprising:
 a dumbbell body and a handle strap which is detachably connected to the dumbbell body, wherein the dumbbell body includes a handle, a first head and a second head, the heads are fixed to the opposite ends of the handle respectively; the handle strap includes a strap and two connectors which are connected to the opposite ends of the strap respectively, characterized in that 
 each of the first head and the second head includes:
 an end cover covering an end of the dumbbell body; 
 a first coupling member having a through hole and a cavity, an arc groove being formed in the cavity; 
 a second coupling member having a clutch block at one end, the shape of which is complementary to that of the cavity in the first coupling member, further having connector attachment portions, the second coupling member being also provided with a through hole; and 
 
 an end core, the end core is received in the first coupling member, the first coupling member and the end cover together form an enclosure of both the first head and the second head. 
 
   
   
     8. The multifunctional dumbbell assembly of  claim 7 , further comprising a fastener, and the fastener is inserted in sequence through the end core, the first coupling member and the second coupling member and finally engaged into the handle. 
   
   
     9. A multifunctional dumbbell assembly comprising
 a dumbbell body and a handle strap which is detachably connected to the dumbbell body, wherein the dumbbell body includes a handle, a first head and a second head, the heads are fixed to the opposite ends of the handle respectively; the handle strap includes a strap and two connectors which are connected to the opposite ends of the strap respectively, characterized in that 
 each of the first head and the second head includes:
 an end cover covering an end of the dumbbell body; 
 a first coupling member having a through hole and a cavity, an arc groove being formed in the cavity; and 
 a second coupling member having a clutch block at one end, the shape of which is complementary to that of the cavity in the first coupling member, further having connector attachment portions, the second coupling member being also provided with a through hole, 
 
 wherein the shape of the cavity in the first coupling member is a circle with two lug-shaped slots, the shape of the clutch block on the second coupling member is a circle with two lugs.